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7275450105 = 3357113472017
BaseRepresentation
bin1101100011010011…
…01000111011111001
3200210001001011022000
412301221220323321
5104400003400410
63201534051213
7345202206540
oct66151507371
920701034260
107275450105
1130a3890390
1214b0649b09
138bc3b9681
144d037d157
152c8ac8dc0
hex1b1a68ef9

7275450105 has 128 divisors (see below), whose sum is σ = 16180162560. Its totient is φ = 3013355520.

The previous prime is 7275450103. The next prime is 7275450121. The reversal of 7275450105 is 5010545727.

7275450105 is a `hidden beast` number, since 7 + 2 + 7 + 545 + 0 + 105 = 666.

It is not a de Polignac number, because 7275450105 - 21 = 7275450103 is a prime.

It is a super-2 number, since 2×72754501052 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7275450105.

It is not an unprimeable number, because it can be changed into a prime (7275450103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3606057 + ... + 3608073.

It is an arithmetic number, because the mean of its divisors is an integer number (126407520).

Almost surely, 27275450105 is an apocalyptic number.

It is an amenable number.

7275450105 is an abundant number, since it is smaller than the sum of its proper divisors (8904712455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7275450105 is a wasteful number, since it uses less digits than its factorization.

7275450105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 7275450105 is about 85296.2490675880. The cubic root of 7275450105 is about 1937.7003701483.

The spelling of 7275450105 in words is "seven billion, two hundred seventy-five million, four hundred fifty thousand, one hundred five".

Divisors: 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 99 105 135 165 189 231 297 315 347 385 495 693 945 1041 1155 1485 1735 2017 2079 2429 3123 3465 3817 5205 6051 7287 9369 10085 10395 11451 12145 14119 15615 18153 19085 21861 22187 26719 30255 34353 36435 42357 46845 54459 57255 65583 66561 70595 80157 90765 103059 109305 110935 127071 133595 155309 171765 199683 211785 240471 272295 327915 332805 381213 400785 465927 515295 599049 635355 699899 721413 776545 998415 1202355 1397781 1906065 2099697 2329635 2995245 3499495 3607065 4193343 4899293 6299091 6988905 7698889 10498485 14697879 18897273 20966715 23096667 24496465 31495455 38494445 44093637 53892223 69290001 73489395 94486365 115483335 132280911 161676669 207870003 220468185 269461115 346450005 485030007 661404555 808383345 1039350015 1455090021 2425150035 7275450105